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Ticket Validation in Public Transportation Using the Smartphone
https://www.google.sk/url?sa=t&source=web&rct=j&url=https://sigarra.up.pt/feup/pt/pub_geral.show_file%3Fpi_gdoc_id%3D396719&ved=0ahUKEwiLrNn0kIDQAhVGBBoKHTKWBtQQFgglMAM&usg=AFQjCNFoK0hVc5hSPfhLAX-tQfZ9Dq26cw&sig2=wR_bOaBx9s1JhskPuA4x7Q
Ticket Validation in Public Transportation Using the Smartphone
https://www.google.sk/url?sa=t&source=web&rct=j&url=https://sigarra.up.pt/feup/pt/pub_geral.show_file%3Fpi_gdoc_id%3D396719&ved=0ahUKEwiLrNn0kIDQAhVGBBoKHTKWBtQQFgglMAM&usg=AFQjCNFoK0hVc5hSPfhLAX-tQfZ9Dq26cw&sig2=wR_bOaBx9s1JhskPuA4x7Q
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V MHD by sa karta prikladala aj pri nastupe aj vystupe, co je stale efektivnejsie ako nejake volenie listka na displeji a scanovanie QR kodu (naco mam scanovat QR kod z oznacovaca, ked typ listka mozem zadat rovno v tej aplikacii?). Pri vystupe by za niektorych situacii prilozenie nemuselo byt nutne - ak potrebujes rozpis pripadov kedy by to slo bez neho, tak prosim, v noci ti to mozem rozpisat, teraz nemam tolko casu.
Inak mozno by pre teba bolo poucne si nastudovat ako funguju uz existujuce podobne systemy.